Snf
abbr. 特殊护理设备（skilled nursing facility）
🗣️ 情景例句
Isn't there a conversation that we have to finish?
我们不是有话还没说完吗？
An ill life,an ill end.
恶有恶报。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。